disconnection operation, disconnect when pipeline is enabled

Author: dinhvh

src/async/smtp/MCSMTPAsyncSession.cpp

@@ -255,6 +255,13 @@ SMTPOperation * SMTPAsyncSession::noopOperation()
     return (SMTPOperation *) op->autorelease();
 }
 
+SMTPOperation * SMTPAsyncSession::disconnectOperation()
+{
+    SMTPDisconnectOperation * op = new SMTPDisconnectOperation();
+    op->setSession(this);
+    return (SMTPOperation *) op->autorelease();
+}
+
 void SMTPAsyncSession::setConnectionLogger(ConnectionLogger * logger)
 {
     pthread_mutex_lock(&mConnectionLoggerLock);

src/async/smtp/MCSMTPAsyncSession.h

@@ -72,6 +72,8 @@ namespace mailcore {
 
         virtual SMTPOperation * noopOperation();
 
+        virtual SMTPOperation * disconnectOperation();
+
     public: // private
         virtual void runOperation(SMTPOperation * operation);
         virtual SMTPSession * session();

src/core/smtp/MCSMTPSession.cpp

@@ -626,6 +626,7 @@ void SMTPSession::sendMessage(Address * from, Array * recipients, Data * message
         r = mailesmtp_send_quit(mSmtp, MCUTF8(from->mailbox()), 0, NULL,
             address_list,
             messageData->bytes(), messageData->length());
+        mShouldDisconnect = true;
     }
     else {
         r = mailesmtp_send(mSmtp, MCUTF8(from->mailbox()), 0, NULL,